.flex-row-center {
	display: flex;
	flex-flow: row nowrap;
	justify-content: center;
}
// 软件盒子
.software-box {
height:690px;
width:620px;
box-shadow: 5px 8px 10px rgba(0,0,0,0.3);
}
.width-btn {
	width: 30%;
}
.width-answer {
	width: 66%;
}
.height-subject{
	height: 120px;
}
.indent-2{
	text-indent: 2em;
}